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SellerTools Online
Free calculators for Amazon, eBay, Etsy sellers
Seller Tools Online is a free collection of 24 practical calculators and generators for ecommerce sellers. Estimate Amazon FBA fees and profit, eBay and Etsy fees, shipping costs, landed cost, margins, pricing, break-even ROAS, dimensional weight, and more. Every tool works without signup, so sellers can make faster sourcing, pricing, and fulfillment decisions before spending money or listing a product.
Hi Product Hunt! I’m Sherry, an ecommerce operator and indie builder.
I built Seller Tools Online because sellers often need a quick answer before they source inventory, set a price, choose fulfillment, or publish a listing—but many calculators are scattered across different sites or hidden behind signup forms.
Seller Tools Online brings together 24 free tools for Amazon FBA, eBay, Etsy, Shopify, Poshmark, shipping, landed cost, pricing, margins, break-even ROAS, dimensional weight, and invoices. There is no signup and no paywall: enter your numbers, get the result, and keep making the decision.
I’d especially appreciate feedback on two things:
1. Which calculator is most useful in your selling workflow?
2. What important seller calculation is still missing?
Thank you for taking a look. I’ll be here throughout launch day to answer questions and use the feedback to decide what to build next.
About SellerTools Online on Product Hunt
“Free calculators for Amazon, eBay, Etsy sellers”
SellerTools Online was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #151 on the daily leaderboard. Seller Tools Online is a free collection of 24 practical calculators and generators for ecommerce sellers. Estimate Amazon FBA fees and profit, eBay and Etsy fees, shipping costs, landed cost, margins, pricing, break-even ROAS, dimensional weight, and more. Every tool works without signup, so sellers can make faster sourcing, pricing, and fulfillment decisions before spending money or listing a product.
On the analytics side, SellerTools Online competes within Productivity, Fintech and E-Commerce — topics that collectively have 747.3k followers on Product Hunt. The dashboard above tracks how SellerTools Online performed against the three products that launched closest to it on the same day.
Who hunted SellerTools Online?
SellerTools Online was hunted by sherry tang. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of SellerTools Online including community comment highlights and product details, visit the product overview.
sherry tang